Research on EMF in educational settings - WiFi networks, Chromebooks, and interactive whiteboards.
## School and Classroom EMF Sources Modern classrooms have transformed into technology-rich environments where students and teachers spend 6-8 hours daily surrounded by multiple EMF-emitting devices. Today's educational settings typically feature WiFi networks broadcasting throughout the building, individual laptops or Chromebooks for each student, interactive whiteboards at the front of the room, and various Bluetooth-enabled devices for presentations and connectivity.
C. M. Carpenter, R. A. Boak · 1930
This 1930 study investigated whether heat generated by ultra-high frequency electromagnetic waves could treat syphilis infections in laboratory rabbits. The research explored using RF energy as a therapeutic tool, focusing on the thermal effects of electromagnetic radiation on infectious disease.
RONALD V. CHRISTIE, ALFRED L. LOOMIS · 1928
Ernst Muth · 1927
Ernst Muth · 1927
J. W. Schereschewsky · 1926
d'ARSONVAL, CHARRIN · 1896
Unknown authors
The study used an in vitro model of aged mouse NIH/3T3 fibroblasts exposed to a 5 mT, 50 Hz magnetic field and treated with metformin at four concentrations. Cell viability was measured with a trypan blue exclusion assay and proliferation with a BrdU incorporation assay. Metformin suppressed proliferation and viability in a dose-dependent manner, reduced NF-kB and MMP2/9 expression, increased CDH1 expression, and inhibited NF-kB activity.
Unknown authors
L. MIRO, R. LOUBIERE, A. PFISTER
Stern
During each session, alternating 15-minute control and exposure periods presented 2450 MHz continuous wave microwaves at power densities of 5, 10, and 20 mW/cm². The proportion of time the heat lamp stayed on decreased as microwave power density increased, and a linear regression showed an intercept of 0.324, slope of -0.0063 (p<0.001), with power density accounting for 61% of the variation. Randomization tests confirmed significant differences at all power densities versus zero exposure (p<0.003), except at 5 mW/cm² versus all zero exposures (p=0.023) and versus adjacent 10 mW/cm² (p=0.021).
G. F. Plakhanov, V. V. Vedyushkina
Seven healthy volunteers aged 20-23 years underwent more than 100 plethysmographic tests while exposed to a high frequency field from a DTP diathermy apparatus. The stimulus manipulations did not change the apparatus sound, and calculated temperature rises and induced currents from field changes were far below biological and ambient levels, leading the authors to conclude the field intensity change was the conditioned stimulus.
Michael H. Repacholi
Unknown authors
Unknown authors
Handling alone lowered pregnancy rate from 86 percent to 72 percent during days 1-6, with further drops to 65 percent at 21 mW/cm2 and 50 percent at 30 mW/cm2, while heated controls showed no extra decrease. Congenital malformations increased significantly only at 30 mW/cm2 during days 6-15, rising from 1.7 percent to 3.1 percent, with two-thirds being cleft palate.
A. A. Teixoira-Pinto, John I. Cutler, John H. Heller
A. DEFICIS, J.C. DUMAS, S. LAURENS
Unknown authors
Stephen F. Cleary, William T. Ham, Jr.
Unknown authors
Unknown authors
Stephen F. Cleary, William T. Ham, Jr.
This technical report by SF Cleary examined the biological effects of microwave radiation exposure, focusing on considerations for proper evaluation methods. The research addressed how to assess health impacts from microwave sources including radar systems. This type of foundational work helped establish frameworks for understanding microwave radiation's effects on living systems.
Unknown authors
Claire Van Ummersen
J. Z. Hearon
Unknown authors